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<h2><span class="refentrytitle"><a name="GstTriggerControlSource.top_of_page"></a>GstTriggerControlSource</span></h2>
<p>GstTriggerControlSource — trigger control source</p>
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<div class="refsect1">
<a name="GstTriggerControlSource.functions"></a><h2>Functions</h2>
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<col class="functions_name">
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<a href="../html/GstControlSource.html#GstControlSource-struct"><span class="returnvalue">GstControlSource</span></a> *
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<a class="link" href="GstTriggerControlSource.html#gst-trigger-control-source-new" title="gst_trigger_control_source_new ()">gst_trigger_control_source_new</a> <span class="c_punctuation">()</span>
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<a name="GstTriggerControlSource.properties"></a><h2>Properties</h2>
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<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint64"><span class="type">gint64</span></a></td>
<td class="property_name"><a class="link" href="GstTriggerControlSource.html#GstTriggerControlSource--tolerance" title="The “tolerance” property">tolerance</a></td>
<td class="property_flags">Read / Write</td>
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<a name="GstTriggerControlSource.other"></a><h2>Types and Values</h2>
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<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="GstTriggerControlSource.html#GstTriggerControlSource-struct" title="struct GstTriggerControlSource">GstTriggerControlSource</a></td>
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<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="GstTriggerControlSource.html#GST-TYPE-TRIGGER-WAVEFORM:CAPS" title="GST_TYPE_TRIGGER_WAVEFORM">GST_TYPE_TRIGGER_WAVEFORM</a></td>
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<a name="GstTriggerControlSource.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen">    <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a>
    <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a>
        <span class="lineart">╰──</span> <a href="../html/GstObject.html#GstObject-struct">GstObject</a>
            <span class="lineart">╰──</span> <a href="../html/GstControlSource.html#GstControlSource-struct">GstControlSource</a>
                <span class="lineart">╰──</span> <a class="link" href="GstTimedValueControlSource.html" title="GstTimedValueControlSource">GstTimedValueControlSource</a>
                    <span class="lineart">╰──</span> GstTriggerControlSource
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<div class="refsect1">
<a name="GstTriggerControlSource.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include &lt;gst/controller/controller.h&gt;
</pre>
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<a name="GstTriggerControlSource.description"></a><h2>Description</h2>
<p><a class="link" href="GstTriggerControlSource.html" title="GstTriggerControlSource"><span class="type">GstTriggerControlSource</span></a> is a <a href="../html/GstControlSource.html#GstControlSource-struct"><span class="type">GstControlSource</span></a>, that returns values from user-given
control points. It allows for a tolerance on the time-stamps.</p>
<p>To use <a class="link" href="GstTriggerControlSource.html" title="GstTriggerControlSource"><span class="type">GstTriggerControlSource</span></a> get a new instance by calling
<a class="link" href="GstTriggerControlSource.html#gst-trigger-control-source-new" title="gst_trigger_control_source_new ()"><code class="function">gst_trigger_control_source_new()</code></a>, bind it to a <a href="/usr/share/gtk-doc/html/gobject/gobject-GParamSpec.html#GParamSpec"><span class="type">GParamSpec</span></a> and set some
control points by calling <a class="link" href="GstTimedValueControlSource.html#gst-timed-value-control-source-set" title="gst_timed_value_control_source_set ()"><code class="function">gst_timed_value_control_source_set()</code></a>.</p>
<p>All functions are MT-safe.</p>
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<div class="refsect1">
<a name="GstTriggerControlSource.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="gst-trigger-control-source-new"></a><h3>gst_trigger_control_source_new ()</h3>
<pre class="programlisting"><a href="../html/GstControlSource.html#GstControlSource-struct"><span class="returnvalue">GstControlSource</span></a> *
gst_trigger_control_source_new (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>This returns a new, unbound <a class="link" href="GstTriggerControlSource.html" title="GstTriggerControlSource"><span class="type">GstTriggerControlSource</span></a>.</p>
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<a name="gst-trigger-control-source-new.returns"></a><h4>Returns</h4>
<p>a new, unbound <a class="link" href="GstTriggerControlSource.html" title="GstTriggerControlSource"><span class="type">GstTriggerControlSource</span></a>. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
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<a name="GstTriggerControlSource.other_details"></a><h2>Types and Values</h2>
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<a name="GstTriggerControlSource-struct"></a><h3>struct GstTriggerControlSource</h3>
<pre class="programlisting">struct GstTriggerControlSource;</pre>
<p>The instance structure of <a href="../html/GstControlSource.html#GstControlSource-struct"><span class="type">GstControlSource</span></a>.</p>
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<div class="refsect2">
<a name="GST-TYPE-TRIGGER-WAVEFORM:CAPS"></a><h3>GST_TYPE_TRIGGER_WAVEFORM</h3>
<pre class="programlisting">#define GST_TYPE_TRIGGER_WAVEFORM (gst_trigger_waveform_get_type ())
</pre>
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<div class="refsect1">
<a name="GstTriggerControlSource.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstTriggerControlSource--tolerance"></a><h3>The <code class="literal">“tolerance”</code> property</h3>
<pre class="programlisting">  “tolerance”                <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint64"><span class="type">gint64</span></a></pre>
<p>Amount of ns a control time can be off to still trigger.</p>
<p>Flags: Read / Write</p>
<p>Allowed values: &gt;= 0</p>
<p>Default value: 0</p>
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